Cepheus
The lessers of Cepheus seem to be specifically crafted to act as beautiful accessories decorating the lawns of the Palace - however, interacting or hunting them should be done with extreme caution, as they are generally protected, either by the denizens and guardians of Cepheus or by their own natural facades.
Ivory Deer
Danger Level: Harmless
Diet: Herbivorous
Height: ~ 3 ft
Quirk(s): Appear sculpted from marble or ivory
Ivory Deer seem to have been formed purely to look beautiful. They're an invariably pristine white, the pale of ivory or marble, with a smooth, very short, soft coat. Slender legs and body move with grace, and large, dark eyes (one set of very large, one smaller just in front) regard everything with a mystical aloofness. Even their hooves are white, and some carry delicate white antlers with several upward-reaching tines. The deer appear to serve the purpose of keeping Cepheus' gardens perfectly-manicured, rarely eating enough to damage any one part, and the grass in their instinctive care seems precisely trimmed.
Hellswan
Danger Level: Extremely deadly
Diet: Omnivorous
Height: 4 feet
Quirk(s): Ambush predators

Hellswans are, at first glance, gorgeous creatures. They appear very much like normal swans in that they are pure white, elegantly graceful waterfowl with long, curved necks and thick plumage. There are, of course, differences: the neck is thickly ruffled with feathers, the legs pure white, and the eyes are four in number, glowing pale. Ear-tufts and a gently-hooked white beak give them a somewhat griffin-like appearance. Most of the time, they simply float around Cepheus' water features, looking like ornaments and trimming away dead plant matter and excess insects; however, anyone thrown into their pond, bleeding close by or presenting a threat (including damaging nearby garden plants) is met with a terrifying surprise. The swan's jaw actually extends down its neck, so that its face down to the chest will split into a horrifically large maw, full of razor-teeth. The swans will attack as a flock to rend their victims to pieces. Their flocks number around ten, and so a Hellswan attack can make quick work of even larger Gembound who misstep.